KIN 369 Formula Quick Reference Sheet

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Department
Kinesiology
Course
KIN 369
Professor
Alison Harper
Semester
Spring

Description
Statistics Quick Reference Sheet Test Formula Purpose/Notes × = Σ of data / N Mean The average of the data. Add all of your data points together, and then divide by the number of data points. 1. Place numbers in order Median 2. Find the number in the middle The middle number when the data is in order. 3. If even amt of numbers, average the two in the middle Mode Find the data point that occurs most Most frequently occurring number. frequently. Can be more than one data point orno data points. Range = (Highest Score – Lowest Score) Describes how spread out the data set is. Range ( ) Describes the scatter of the scores around the mean. Standard Deviation √ 1. Put data in rank order from “worsDescribes the relative position of a data point in more detail than the Percentile “best” – number the ranks median. 2. % = rank of data poinOR/ (%*N = rank of data point) If larger numbers are better: Express how far away a number is from the mean, in terms of Z-Score If smaller numbers are better: standard deviatio
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